the length of a rectangular hall is 5 more than its breadth if the perimeter of the hall is 74 M find its length and breadth chapter name algebra
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breadth 16
length 21
it is the answer
length 21
it is the answer
Answered by
1
Heya friend,
Let the breadth of the rectangle be x cm. Then,
it's length = (x+5) cm
According to question,
2(x+5+x) = 74
=> 2(2x+5) = 74
=> 4x + 10 = 74
=> 4x = 74 - 10
=> 4x = 64
=> x = 64/4
=> x = 16
Hence, the breadth = 16 cm and
length = (16+5) = 21 cm.
Thanks
Hope it helps you.
With regards@
Tanisha
Let the breadth of the rectangle be x cm. Then,
it's length = (x+5) cm
According to question,
2(x+5+x) = 74
=> 2(2x+5) = 74
=> 4x + 10 = 74
=> 4x = 74 - 10
=> 4x = 64
=> x = 64/4
=> x = 16
Hence, the breadth = 16 cm and
length = (16+5) = 21 cm.
Thanks
Hope it helps you.
With regards@
Tanisha
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